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The nucleolar transcription factor mUBF is phosphorylated by casein kinase II in the C-terminal hyperacidic tail which is essential for transactivation.

Transcriptional RegulationSignal TransductionC-terminal Hyperacidic TailNatural SciencesCasein Kinase IiMolecular BiologyGene RegulationGene ExpressionMedicineCell BiologyCell SignalingTranscription FactorsTranscription Regulation